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DSP: snapToZero is now a public method of the IIR and StateVariable filters so that they can be called manually after sample by sample processing

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This commit is contained in:
hogliux 2017-09-13 10:06:36 +01:00
parent bab3ce9759
commit 74c7633aab
2 changed files with 13 additions and 4 deletions
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7
modules/juce_dsp/processors/juce_IIRFilter.h
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@ -114,9 +114,14 @@ namespace IIR
*/
SampleType JUCE_VECTOR_CALLTYPE processSample (SampleType sample) noexcept;
/** Ensure that the state variables are rounded to zero if the state
variables are denormals. This is only needed if you are doing
sample by sample processing.
*/
void snapToZero() noexcept;
private:
//==============================================================================
void snapToZero() noexcept;
void check();
//==============================================================================

10
modules/juce_dsp/processors/juce_StateVariableFilter.h
View file

@ -74,6 +74,12 @@ namespace StateVariableFilter
/** Resets the filter's processing pipeline. */
void reset() noexcept { s1 = s2 = SampleType {0}; }
/** Ensure that the state variables are rounded to zero if the state
variables are denormals. This is only needed if you are doing
sample by sample processing.
*/
void snapToZero() noexcept { util::snapToZero (s1); util::snapToZero (s2); }
//==============================================================================
/** The parameters of the state variable filter. It's up to the called to ensure
that these parameters are modified in a thread-safe way. */
@ -145,9 +151,7 @@ namespace StateVariableFilter
for (size_t i = 0 ; i < n; ++i)
output[i] = processLoop<type> (input[i], state);
util::snapToZero (s1);
util::snapToZero (s2);
snapToZero();
*parameters = state;
}